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Travel Demand Model - OKI

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<strong>OKI</strong>/MVRPC <strong>Travel</strong> <strong>Demand</strong> <strong>Model</strong> – Version 6.0Table 8-12 Internal-External Trip Production <strong>Model</strong>sCordonCodeLocationPopulation (b) Employment (g) WPAFB Emp.Coeff. t-Stat. Coeff. t-Stat. Coeff. t-Stat.R 2F-value1 Central Cincinnati 0.043 25.7 0.040 16.8 0.65 7242 Intermediate 0.075 21.7 0.080 10.9 0.60 4763 Close to Cordon 0.194 10.5 0.306 7.5 0.58 1855 Special Generators 0.241 9.2 0.215 5.3 0.85 1487 Central Dayton/Xenia 0.057 15.5 0.079 13.3 0.63 3548.4 External-External Trip TableAn external-to-external vehicle trip table for the entire consolidated region was estimated fromthe cordon survey data. As indicated in the ODOT Cordon Survey documentation, to avoiddouble-counting external trips a factor of 0.5 is applied in addition to all the expansion factors.Furthermore, the MVRPC update factor discussed in Section 8.2.1 was applied as well to ensurethe external-external trip table reflects the most accurate traffic counts available. The stationvolume discount factors for external-external trips were shown in Table 8.11. The daily externalexternaltrip table is stored in M0007.Trip Generation - External Cordon Survey Analysis 52

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